glsa-201701-53.xml


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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd">
<glsa id="201701-53">
  <title>Lua: Buffer overflow</title>
  <synopsis>A buffer overflow in Lua might allow context-dependent attackers to
    execute arbitrary code.
  </synopsis>
  <product type="ebuild">lua</product>
  <announced>2017-01-23</announced>
  <revised>2017-01-23: 1</revised>
  <bug>520480</bug>
  <access>local, remote</access>
  <affected>
    <package name="dev-lang/lua" auto="yes" arch="*">
      <unaffected range="ge">5.1.5-r4</unaffected>
      <vulnerable range="lt">5.1.5-r4</vulnerable>
    </package>
  </affected>
  <background>
    <p>Lua is a powerful, efficient, lightweight, embeddable scripting
      language. It supports procedural programming, object-oriented
      programming, functional programming, data-driven programming, and data
      description.
    </p>
  </background>
  <description>
    <p>A buffer overflow was discovered in the vararg functions in ldo.c in
      Lua.
    </p>
  </description>
  <impact type="normal">
    <p>Context-dependent could cause a Denial of Service condition or execute
      arbitrary code.
    </p>
  </impact>
  <workaround>
    <p>There is no known workaround at this time.</p>
  </workaround>
  <resolution>
    <p>All Lua users should upgrade to the latest version:</p>
    
    <code>
      # emerge --sync
      # emerge --ask --oneshot --verbose "&gt;=dev-lang/lua-5.1.5-r4"
    </code>
    
  </resolution>
  <references>
    <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-5461">CVE-2014-5461</uri>
  </references>
  <metadata tag="requester" timestamp="2017-01-19T10:51:05Z">b-man</metadata>
  <metadata tag="submitter" timestamp="2017-01-23T03:32:26Z">b-man</metadata>
</glsa>